<template>
  <transition name="move-left">
    <div v-show="showFlag" class="food" ref="food">
      <div class="food-content">
        <div class="image-header">
          <img :src="food.image">
          <div class="back">
            <i class="icon-arrow_lift" @click="hide"></i>
          </div>
        </div>
        <div class="content">
          <h1 class="title">{{food.name}}</h1>
          <div class="detail">
            <span class="sell-count">月售{{food.sellCount}}份</span>
            <span class="rating">好评率{{food.rating}}%</span>
          </div>
          <div class="price">
            <span class="now">￥{{food.price}}</span><span v-show="food.oldPrice" class="old">￥{{food.oldPrice}}</span>
          </div>
          <div class="cartcontrl-wrapper">
            <cartcontrol :food="food" ></cartcontrol>
          </div>
          <div @click.stop ="addFirst($event)" class="buy" v-show="food.count===0 || !food.count">
            加入购物车
          </div>
        </div>
        <split v-show="food.info"></split>
        <div class="info" v-show="food.info">
          <h1 class="title">商品信息</h1>
          <p class="text">{{food.info}}</p>
        </div>
        <split ></split>
        <div class="rating">
          <h1 class="title">商品评价</h1>
          <ratingselect :select-type="selectType" :only-content="onlyContent" :desc="desc" :ratings="food.ratings"
                        @select-type-change="selectTypeChange" @content-toogle="contentToogle"></ratingselect>
          <div class="rating-wrapper">
            <ul v-show="food.ratings && food.ratings.length">
              <li v-for="(rating, index) in food.ratings" v-show="needShow(rating.rateType,rating.text)" class="rating-item" v-bind:key="index">
                <div class="user">
                  <span class="name">{{rating.username}}</span>
                  <img class="avatar" width="12" height="12" :src="rating.avatar">
                </div>
                <div class="time">{{rating.rateTime | formatDate}}</div>
                <p class="text">
                  <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span>
                  {{rating.text}}
                </p>
              </li>
            </ul>
            <div class="no-rating" v-show="!food.ratings || !food.ratings.length">暂无评价</div>
          </div>
        </div>
      </div>
    </div>
  </transition>
</template>
<script type="text/ecmascript-6">
import Vue from 'vue'
import moment from 'moment'
import BScroll from 'better-scroll'
import cartcontrol from '../../components/cartcontrol/cartcontrol'
import split from '../../components/split/split'
import ratingselect from '../../components/ratingselect/ratingselect'
import bus from '../../assets/eventBus'

const ALL = 2
/* eslint-disable */
const POSITIVE = 0
/* eslint-disable */
const NEGATIVE = 1

export default {
  name: 'food',
  components: { cartcontrol, split, ratingselect },
  props: {
    food: {
      type: Object,
    },
  },
  data() {
    return {
      showFlag: false,
      selectType: ALL,
      onlyContent: true,
      desc: {
        all: '全部',
        positive: '推荐',
        negative: '吐槽',
      },
    }
  },
  methods: {
    show() {
      this.showFlag = true
      this.selectType = ALL
      this.onlyContent = true
      this.$nextTick(() => {
        if (!this.scroll) {
          this.$nextTick(() => {
            this.scroll = new BScroll(this.$refs.food, {
              click: true,
            })
          })
        } else {
          this.$nextTick(() => {
            this.scroll.refresh()
          })
        }
      })
    },
    hide() {
      this.showFlag = false
    },
    addFirst(event) {
      if (!event._constructed) return
      // Vue.set(this.food, 'count', 1)
      // this.$emit('cart-add', event.target)
      this.$store.commit('goods/addCart', this.food)
      bus.$emit('cartcontrol/addCart', event.target)
    },
    selectTypeChange(selType) {
      this.selectType = selType
      this.$nextTick(() => {
        this.scroll.refresh()
      })
    },
    contentToogle() {
      this.onlyContent = !this.onlyContent
      this.$nextTick(() => {
        this.scroll.refresh()
      })
    },
    needShow(type, text) {
      if (this.onlyContent && !text) return false
      if (this.selectType === ALL) return true
      if (this.selectType === type) return true
      return false
    },
  },
  filters: {
    formatDate(time) {
      return moment(time).format('YYYY-MM-DD HH:mm')
    },
  },
}
</script>
<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin"

  .food
    position: fixed
    left: 0
    top: 0
    bottom: 48px
    z-index: 30
    width: 100%
    background: #fff
    &.move-left-enter-active, &.move-left-leave-active
      transition: all 0.5s linear;
      transform: translate3d(0, 0, 0)
    &.move-left-enter, &.move-left-leave-to
      transform: translate3d(100%, 0, 0)
    .image-header
      position: relative
      width: 100%
      height: 0
      padding-top: 100% // 当我们给padding-top设置100%的时候，值的计算是相对宽度计算
      img
        position: absolute
        top: 0
        left: 0
        width: 100%
        height: 100%
      .back
        position: absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display: block
          padding: 10px
          font-size: 20px
          color: #fff

    .content
      padding: 18px
      position: relative
      .title
        line-height: 14px
        margin-bottom: 8px
        font-szie: 14px
        font-weight: 700
        font-color: rgb(7, 17 ,27)
      .detail
        margin-bottom: 18px
        line-height: 10px
        height: 10px
        font-size: 0
        .sell-count, .rating
          font-size: 10px
          color: rgb(147, 153, 159)
        .sell-count
          margin-right: 12px
      .price
        font-weight: 700
        line-height: 24px
        .now
          margin-right: 8px
          font-size: 14px
          color: rgb(240, 20, 20)
          vertical-align: top
        .old
          text-decoration: line-through
          font-size: 10px
          color: rgb(147, 153, 159)
      .cartcontrl-wrapper
        position: absolute
        right: 12px
        bottom: 12px
      .buy
        position: absolute
        right: 18px
        bottom: 18px
        z-index: 10
        height: 24px
        line-height: 24px
        padding: 0 12px
        box-sizing: border-box
        border-radius: 12px
        font-size: 10px
        background: rgb(0, 160, 220)
        color: #fff

    .info
      padding: 18px
      .title
        line-height: 14px
        margin-bottom 6px
        font-size: 14px
        color: rgb(7, 17, 27)
      .text
        line-height: 24px
        padding: 0 8px
        font-size: 12px
        color: rgb(77, 85, 93)
    .rating
      padding-top: 18px
      .title
        line-height: 14px
        margin-left: 18px
        font-size: 14px
        color: rgb(7, 17, 27)
      .rating-wrapper
        padding: 0 18px
        .rating-item
          position: relative
          padding: 16px 0
          border-1px(rgba(7, 17, 27, 0.1))
          .user
            position: absolute
            right: 0
            top: 16px
            line-height: 12px
            font-size: 0
            .name
              display: inline-block
              margin-right: 6px
              vertical-align: top
              font-size: 10px
              color: rgb(147, 153, 159)
            .avatar
              border-radius: 50%
          .time
            margin-bottom: 6px
            line-height: 12px
            font-size: 10px
            color: rgb(147, 153, 159)
          .text
            line-height: 16px
            font-size: 12px
            color: rgb(7, 17, 27)
            .icon-thumb_up, .icon-thumb_down
              margin-right: 4px
              line-height: 16px
              font-size: 12px
            .icon-thumb_up
              color: rgb(0, 160, 220)
            .icon-thumb_down
              color: rgb(147, 153, 159)
        .no-rating
          padding: 16px 0
          line-height: 16px
          font-size: 12px
          color: rgb(147, 153, 159)

</style>
